它总是在第49行的D：\ Xampp \ htdocs \ Website \ server.php中显示Parse错误：语法错误，文件意外结束

Question

 if (count($errors) == 0) {
    $password = md5($password_1);
   $query = "INSERT INTO user (firstname, lastname, email, password) 
          VALUES('$firstname', '$lastname', '$email', '$password')";
   mysqli_query($db, $query);
   $_SESSION['firstname'] = $firstname;
   $_SESSION['success'] = "You are now logged in";
   header('location: index.php');
 ?>